13
SUPPLY WIRE ONLY
USE COPPER
FOR 3HP UNITS
575 VOLT SEE TRANSFORMER
CONNECTIONS
230/400/460/575 VOLT
COOLED UNITS.
7-1/2HP THRU 12HP UNITS.
4HP AND 6HP UNITS.
2. 4HP UNITS HAVE ONLY ONE (1) FAN MOTOR.
1. REMOVE FAN MOTORS AND FAN SWITCHES FOR WATER
3. SOLID STATE MOTOR PROTECTOR IS ONLY USED ON
4. DISCHARGE TEMPERATURE SWITCH IS ONLY USED ON
OPTIONAL HIGH WATER LEVEL FLOAT SWITCHES 1FS & 2FS.
5. ALARM CONTACTS ARE CONTROLED BY T1 & T2 AND
TAS - THERMOSTAT
(OPTIONAL)
1SOL - ELECTRIC DRAIN VALVE
2SOL - ELECTRIC DRAIN VALVE
ALARM CONTACTS
7.5A @ 120VAC
7.5A @ 30VDC
7A @ 240VAC
ALARM CONTACT RATINGS
CON
T1
NOTES
14
10
F1
S1
89 16
15 4
CR
(OPTIONAL)
(OPTIONAL)
2S0L
T3T2
1S0L
T4
SEE NOTE 5
PCB
1817 2019
65 7
3
2221 23
11 12 13
2FS
1FS
CONTACTS
ALARM
TB-12
CR
1FS - FLOAT SWITCH
2FS - FLOAT SWITCH
TDR - TIME DELAY RELAY
TB-11
TB-13
T2 - EVAPORATOR TEMPERATURE SENSOR
T3 - AMBIENT TEMPERATURE SENSOR
T4 - OUTLET TEMPERATURE SENSOR
F1 - FUSE,WICKMANN TYPE TR5 250mA, 250V
T1 - INLET TEMPERATURE SENSOR
PBS - DRYER-ON/OFF SWITCH
HPS - HIGH PRESSURE SWITCH
1FU - FUSE, LITTELFUSE, FLM 6/10, 250V
2FU - FUSE, LITTELFUSE, KLDR 1/2, 600V
3FU - FUSE, LITTELFUSE, KLDR 1/2, 600V
LPS - LOW PRESSURE SWITCH
FPS - FAN PRESSURE SWITCH
HTS - HIGH TEMPERATURE SWITCH
1T - CONTROL TRANSFORMER
DTS - DISCHARGE TEMPERATURE SWITCH
SSMP - SOLID STATE MOTOR PROTECTOR
OPTIONAL FEATURES BELOW
4FU - FUSE, LITTELFUSE, FLM 1-1/4, 250V
5FU - FUSE, LITTELFUSE, KLDR 1/2, 600V
3HTR - LOW AMBIENT HEAT TAPE
2HTR - LOW AMBIENT HEAT TAPE
2T - LOW AMBIENT TRANSFORMER
6FU - FUSE, LITTELFUSE, KLDR 1/2, 600V
MTR
L2
X
LOW AMBIENT
TA S
3HTR
TA S
2HTR
6FU
X
1
GND
115V
2
1FU
X
PBS
DTS
SSMP
GND
115V
1
2
X
L3
4FU
CONNECTIONS
2T
DETAILS FOR
SEE TRANSFORMER
1T
5FU
2FU
3FU
(OPTIONAL)
TIME DELAY
LOW AMBIENT
SEE NOTE 4
SEE NOTE 3
SEE NOTE 3
CON
TDR
HPS LPS
SSMP
SEE NOTE 2
SEE NOTE 1
2FPS
2FM
1FPS
1FM
MTR - COMPRESSOR
CON - CONTACTOR
FM - FAN MOTOR
L1
CON
CON
1HTR
1HTR - CRANKCASE HEATER
LEGEND
WIRING DIAGRAM (DIGIT AL CONTROL P ANEL)
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